'use strict';
const db = uniCloud.database()

exports.main = async (event, context) => {
	//event为客户端上传的参数
	console.log('event : ', event)
	
	// 单条插入数据
	let res = await db.collection('images').where({
		id:event.id*1
	}).get()
	
	//返回数据给客户端
	return res
};
